Home / 135,962.94-202,945.78-120,001.34

Finding the Fourth Proportional to 135,962.94, 202,945.78 and 120,001.34

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Solution

The fourth proportional to 135,962.94, 202,945.78 and 120,001.34 is: 179,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,962.94 : 202,945.78 = 120,001.34 : x
  2. Step 2: Convert to fraction form
    135,962.94/202,945.78 = 120,001.34/x
  3. Step 3: Cross multiply
    135,962.94x = 202,945.78 × 120,001.34
  4. Step 4: Simplify right side
    135,962.94x = 24,353,765,547.35
  5. Step 5: Solve for x
    x = 24,353,765,547.35/135,962.94
  6. Step 6: Final answer
    x = 179,120.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.